General

Engineer's Note

Designed for server environments, this Samsung M393B1G70EB0-CK0 DDR3-1600 Registered DIMM leverages ECC and a single-rank x4 configuration to deliver reliable data integrity and reduced electrical loading, making it ideally suited for virtualization platforms and memory-intensive database workloads. The registered signal type and CL11 latency ensure stable command/address signaling in dense multi-DIMM configurations, while its 1.5V operation balances power efficiency with sustained enterprise-class uptime.

Technical Specs & Insights

1. Registered clock and command buffering maintains signal integrity across high-density memory channels, enabling seamless scalability for enterprise virtualization platforms.
2. End-to-end error correction detects and fixes bit-level corruption in real time, preserving data accuracy for long-running transactional and analytical workloads.
3. Single Rank x4 organization minimizes electrical loading and access latency, boosting performance in latency-sensitive caching and in-memory database environments.
4. Sufficient capacity per module supports dense consolidation of light to moderate workloads, balancing virtual machine counts with cost efficiency.
5. Fast data transfer rate accelerates memory-bound operations, reducing query completion times for concurrent users on database and web servers.

Why These Specs Matter

The M393B1G70EB0-CK0 is a server-grade Registered DIMM engineered for mission-critical enterprise environments where unplanned downtime is not an option. Its four defining characteristics directly address the real-world challenges IT architects face daily.

ECC error correction is the silent guardian against single-bit memory flips caused by background radiation, a phenomenon that silently corrupts transactional data in in-memory databases like SAP HANA or Redis clusters. Without ECC, a flipped bit in a financial ledger or customer record can propagate undetected, leading to compliance violations or costly analytical errors. The Registered buffer on this RDIMM decouples the memory chips from the CPU’s command bus, massively reducing electrical loading. In dense virtualization clusters hosting dozens of VMs per node, this stability becomes paramount—it allows you to populate all channels with high-capacity DIMMs without sacrificing signal integrity, preventing kernel panics under heavy consolidation ratios. The single-rank x4 organization and 1600MHz speed with CL11 latency strike a critical balance between bandwidth and command rate efficiency. For memory-intensive workloads like real-time analytics or large-scale virtual desktop infrastructure, the single-rank configuration minimizes rank-to-rank turnaround delays, delivering consistent low-latency access even when multiple VMs thrash the memory subsystem simultaneously. Combined with 1.5V operation, it maintains thermal sanity in dense rack servers, ensuring your cooling budget stays predictable while your database transactions complete milliseconds faster—precisely the margin that defines SLA compliance in financial trading or e-commerce platforms.

Endurance & Reliability

General Virtualization
For dense VM hosting, deploy at least six of these 8 GB RDIMMs across triple-channel or quad-channel memory architectures to achieve 48–96 GB total capacity, balancing guest density with memory overhead. Populate identical modules per channel to maintain lockstep ECC protection and avoid performance penalties from non-uniform access. Monitor hypervisor memory overcommit to keep active working sets within physical RAM.

In-Memory Database
Build a low-latency dataset store by filling all available DIMM slots with these 1600 MHz registered modules, targeting 128 GB or more per server to keep entire indexes resident. Single-rank x4 organization minimizes bank conflicts, while ECC guards against silent data corruption during high-throughput transactions. Pair with fast CPUs to reduce CAS 11 latency effects, and leave headroom for replication buffers and persistence snapshots.

High-Performance Computing
Populate every memory channel symmetrically—typically 8 or 16 modules across dual-socket nodes—to maximize aggregate bandwidth for simulation and modeling workloads. The registered interface stabilizes large module counts at 1600 MHz, and ECC is essential for long-running jobs where a single bit-flip could invalidate results. Prioritize capacity per core to prevent swap from stalling floating-point pipelines.

Verified Compatibility

Rigorously tested DDR3 server RDIMM. Compatible with Dell PowerEdge R720, HP DL380p Gen8, IBM x3650 M4.

FAQ